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[" 21.Find the values of "n" and "bar(X)" in each of the following cases: "],[" (i) "sum_(i=1)^(n)(x_(i)-12)=-10" and "sum_(i=1)^(n)(x_(i)-3)=62],[" (ii) "sum_(i=1)^(n)(x_(i)-10)=30" and "sum_(i=1)^(n)(x_(i)-6)=150]

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Find the values of n and bar(X) in each of the following cases: (i) sum_(i=1)^(n)(x_(1)-12)=-10 and sum_(i=1)^(n)(x_(1)-3)=62(ii)sum_(i=1)^(n)(x_(1)-10)=30 and sum_(i=1)^(n)(x_(1)-6)=150

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